Little Gaddesden

5 sales in the last 12 months · median £2,635,000 · Dacorum

Cleaner air than most

Dacorum Council · Liberal Democrat minority — no overall control 17/51 seats · 33% · OCD 2026

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Environment This neighbourhood

NO₂

6.7

— WHO guide

PM2.5

6.7

— WHO guide

µg/m³ annual mean · DEFRA

Surface water 1-in-1002.3%

Flood zone0% of postcodes

RadonAffected Area (up to 3–5%)

Historic landfill2 sites within ~1 km

EA · UKHSA/BGS · Mining Remediation Authority — indicative, not a property search

Road & rail noise bands (≥55 / ≥65 dB Lden) are being added — not yet available for this area. They cover major sources only; "not mapped" ≠ "quiet".

Defra strategic noise mapping

Listed buildings55

Conservation areas2

Green belt0.1%

Green spaces602

Historic England · OS Open Greenspace

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